Singletons/T167.hs:(0,0)-(0,0): Splicing declarations
    singletonsOnly
      [d| class Foo a where
            foosPrec :: Nat -> a -> DiffList
            fooList :: a -> DiffList
            fooList = undefined
          
          instance Foo a => Foo [a] where
            foosPrec _ = fooList |]
  ======>
    type FoosPrecSym0 :: forall a.
                         (~>) Nat ((~>) a ((~>) [Bool] [Bool]))
    data FoosPrecSym0 a0123456789876543210
      where
        FoosPrecSym0KindInference :: SameKind (Apply FoosPrecSym0 arg) (FoosPrecSym1 arg) =>
                                     FoosPrecSym0 a0123456789876543210
    type instance Apply FoosPrecSym0 a0123456789876543210 = FoosPrecSym1 a0123456789876543210
    instance SuppressUnusedWarnings FoosPrecSym0 where
      suppressUnusedWarnings = snd (((,) FoosPrecSym0KindInference) ())
    type FoosPrecSym1 :: forall a. Nat -> (~>) a ((~>) [Bool] [Bool])
    data FoosPrecSym1 a0123456789876543210 a0123456789876543210
      where
        FoosPrecSym1KindInference :: SameKind (Apply (FoosPrecSym1 a0123456789876543210) arg) (FoosPrecSym2 a0123456789876543210 arg) =>
                                     FoosPrecSym1 a0123456789876543210 a0123456789876543210
    type instance Apply (FoosPrecSym1 a0123456789876543210) a0123456789876543210 = FoosPrecSym2 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (FoosPrecSym1 a0123456789876543210) where
      suppressUnusedWarnings = snd (((,) FoosPrecSym1KindInference) ())
    type FoosPrecSym2 :: forall a. Nat -> a -> (~>) [Bool] [Bool]
    data FoosPrecSym2 a0123456789876543210 a0123456789876543210 a0123456789876543210
      where
        FoosPrecSym2KindInference :: SameKind (Apply (FoosPrecSym2 a0123456789876543210 a0123456789876543210) arg) (FoosPrecSym3 a0123456789876543210 a0123456789876543210 arg) =>
                                     FoosPrecSym2 a0123456789876543210 a0123456789876543210 a0123456789876543210
    type instance Apply (FoosPrecSym2 a0123456789876543210 a0123456789876543210) a0123456789876543210 = FoosPrecSym3 a0123456789876543210 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (FoosPrecSym2 a0123456789876543210 a0123456789876543210) where
      suppressUnusedWarnings = snd (((,) FoosPrecSym2KindInference) ())
    type FoosPrecSym3 (a0123456789876543210 :: Nat) (a0123456789876543210 :: a) (a0123456789876543210 :: [Bool]) =
        FoosPrec a0123456789876543210 a0123456789876543210 a0123456789876543210 :: [Bool]
    type FooListSym0 :: forall a. (~>) a ((~>) [Bool] [Bool])
    data FooListSym0 a0123456789876543210
      where
        FooListSym0KindInference :: SameKind (Apply FooListSym0 arg) (FooListSym1 arg) =>
                                    FooListSym0 a0123456789876543210
    type instance Apply FooListSym0 a0123456789876543210 = FooListSym1 a0123456789876543210
    instance SuppressUnusedWarnings FooListSym0 where
      suppressUnusedWarnings = snd (((,) FooListSym0KindInference) ())
    type FooListSym1 :: forall a. a -> (~>) [Bool] [Bool]
    data FooListSym1 a0123456789876543210 a0123456789876543210
      where
        FooListSym1KindInference :: SameKind (Apply (FooListSym1 a0123456789876543210) arg) (FooListSym2 a0123456789876543210 arg) =>
                                    FooListSym1 a0123456789876543210 a0123456789876543210
    type instance Apply (FooListSym1 a0123456789876543210) a0123456789876543210 = FooListSym2 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (FooListSym1 a0123456789876543210) where
      suppressUnusedWarnings = snd (((,) FooListSym1KindInference) ())
    type FooListSym2 (a0123456789876543210 :: a) (a0123456789876543210 :: [Bool]) =
        FooList a0123456789876543210 a0123456789876543210 :: [Bool]
    type FooList_0123456789876543210 :: a -> [Bool] -> [Bool]
    type family FooList_0123456789876543210 a a where
      FooList_0123456789876543210 a_0123456789876543210 a_0123456789876543210 = Apply (Apply UndefinedSym0 a_0123456789876543210) a_0123456789876543210
    type FooList_0123456789876543210Sym0 :: (~>) a ((~>) [Bool] [Bool])
    data FooList_0123456789876543210Sym0 a0123456789876543210
      where
        FooList_0123456789876543210Sym0KindInference :: SameKind (Apply FooList_0123456789876543210Sym0 arg) (FooList_0123456789876543210Sym1 arg) =>
                                                        FooList_0123456789876543210Sym0 a0123456789876543210
    type instance Apply FooList_0123456789876543210Sym0 a0123456789876543210 = FooList_0123456789876543210Sym1 a0123456789876543210
    instance SuppressUnusedWarnings FooList_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd (((,) FooList_0123456789876543210Sym0KindInference) ())
    type FooList_0123456789876543210Sym1 :: a -> (~>) [Bool] [Bool]
    data FooList_0123456789876543210Sym1 a0123456789876543210 a0123456789876543210
      where
        FooList_0123456789876543210Sym1KindInference :: SameKind (Apply (FooList_0123456789876543210Sym1 a0123456789876543210) arg) (FooList_0123456789876543210Sym2 a0123456789876543210 arg) =>
                                                        FooList_0123456789876543210Sym1 a0123456789876543210 a0123456789876543210
    type instance Apply (FooList_0123456789876543210Sym1 a0123456789876543210) a0123456789876543210 = FooList_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (FooList_0123456789876543210Sym1 a0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) FooList_0123456789876543210Sym1KindInference) ())
    type FooList_0123456789876543210Sym2 (a0123456789876543210 :: a) (a0123456789876543210 :: [Bool]) =
        FooList_0123456789876543210 a0123456789876543210 a0123456789876543210 :: [Bool]
    class PFoo a where
      type FoosPrec (arg :: Nat) (arg :: a) (arg :: [Bool]) :: [Bool]
      type FooList (arg :: a) (arg :: [Bool]) :: [Bool]
      type FooList a a = Apply (Apply FooList_0123456789876543210Sym0 a) a
    type FoosPrec_0123456789876543210 :: Nat -> [a] -> [Bool] -> [Bool]
    type family FoosPrec_0123456789876543210 a a a where
      FoosPrec_0123456789876543210 _ a_0123456789876543210 a_0123456789876543210 = Apply (Apply FooListSym0 a_0123456789876543210) a_0123456789876543210
    type FoosPrec_0123456789876543210Sym0 :: (~>) Nat ((~>) [a] ((~>) [Bool] [Bool]))
    data FoosPrec_0123456789876543210Sym0 a0123456789876543210
      where
        FoosPrec_0123456789876543210Sym0KindInference :: SameKind (Apply FoosPrec_0123456789876543210Sym0 arg) (FoosPrec_0123456789876543210Sym1 arg) =>
                                                         FoosPrec_0123456789876543210Sym0 a0123456789876543210
    type instance Apply FoosPrec_0123456789876543210Sym0 a0123456789876543210 = FoosPrec_0123456789876543210Sym1 a0123456789876543210
    instance SuppressUnusedWarnings FoosPrec_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd (((,) FoosPrec_0123456789876543210Sym0KindInference) ())
    type FoosPrec_0123456789876543210Sym1 :: Nat
                                             -> (~>) [a] ((~>) [Bool] [Bool])
    data FoosPrec_0123456789876543210Sym1 a0123456789876543210 a0123456789876543210
      where
        FoosPrec_0123456789876543210Sym1KindInference :: SameKind (Apply (FoosPrec_0123456789876543210Sym1 a0123456789876543210) arg) (FoosPrec_0123456789876543210Sym2 a0123456789876543210 arg) =>
                                                         FoosPrec_0123456789876543210Sym1 a0123456789876543210 a0123456789876543210
    type instance Apply (FoosPrec_0123456789876543210Sym1 a0123456789876543210) a0123456789876543210 = FoosPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (FoosPrec_0123456789876543210Sym1 a0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) FoosPrec_0123456789876543210Sym1KindInference) ())
    type FoosPrec_0123456789876543210Sym2 :: Nat
                                             -> [a] -> (~>) [Bool] [Bool]
    data FoosPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210 a0123456789876543210
      where
        FoosPrec_0123456789876543210Sym2KindInference :: SameKind (Apply (FoosPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210) arg) (FoosPrec_0123456789876543210Sym3 a0123456789876543210 a0123456789876543210 arg) =>
                                                         FoosPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210 a0123456789876543210
    type instance Apply (FoosPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210) a0123456789876543210 = FoosPrec_0123456789876543210Sym3 a0123456789876543210 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (FoosPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) FoosPrec_0123456789876543210Sym2KindInference) ())
    type FoosPrec_0123456789876543210Sym3 (a0123456789876543210 :: Nat) (a0123456789876543210 :: [a]) (a0123456789876543210 :: [Bool]) =
        FoosPrec_0123456789876543210 a0123456789876543210 a0123456789876543210 a0123456789876543210 :: [Bool]
    instance PFoo [a] where
      type FoosPrec a a a = Apply (Apply (Apply FoosPrec_0123456789876543210Sym0 a) a) a
    class SFoo a where
      sFoosPrec ::
        forall (t :: Nat) (t :: a) (t :: [Bool]).
        Sing t
        -> Sing t
           -> Sing t
              -> Sing (Apply (Apply (Apply FoosPrecSym0 t) t) t :: [Bool])
      sFooList ::
        forall (t :: a) (t :: [Bool]).
        Sing t -> Sing t -> Sing (Apply (Apply FooListSym0 t) t :: [Bool])
      default sFooList ::
                forall (t :: a) (t :: [Bool]).
                ((Apply (Apply FooListSym0 t) t :: [Bool])
                 ~ Apply (Apply FooList_0123456789876543210Sym0 t) t) =>
                Sing t -> Sing t -> Sing (Apply (Apply FooListSym0 t) t :: [Bool])
      sFooList
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        = (sUndefined sA_0123456789876543210) sA_0123456789876543210
    instance SFoo a => SFoo [a] where
      sFoosPrec ::
        forall (t :: Nat) (t :: [a]) (t :: [Bool]).
        Sing t
        -> Sing t
           -> Sing t
              -> Sing (Apply (Apply (Apply FoosPrecSym0 t) t) t :: [Bool])
      sFoosPrec
        _
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        = (applySing
             ((applySing ((singFun2 @FooListSym0) sFooList))
                sA_0123456789876543210))
            sA_0123456789876543210
    instance SFoo a =>
             SingI (FoosPrecSym0 :: (~>) Nat ((~>) a ((~>) [Bool] [Bool]))) where
      sing = (singFun3 @FoosPrecSym0) sFoosPrec
    instance (SFoo a, SingI d) =>
             SingI (FoosPrecSym1 (d :: Nat) :: (~>) a ((~>) [Bool] [Bool])) where
      sing = (singFun2 @(FoosPrecSym1 (d :: Nat))) (sFoosPrec (sing @d))
    instance (SFoo a, SingI d, SingI d) =>
             SingI (FoosPrecSym2 (d :: Nat) (d :: a) :: (~>) [Bool] [Bool]) where
      sing
        = (singFun1 @(FoosPrecSym2 (d :: Nat) (d :: a)))
            ((sFoosPrec (sing @d)) (sing @d))
    instance SFoo a =>
             SingI (FooListSym0 :: (~>) a ((~>) [Bool] [Bool])) where
      sing = (singFun2 @FooListSym0) sFooList
    instance (SFoo a, SingI d) =>
             SingI (FooListSym1 (d :: a) :: (~>) [Bool] [Bool]) where
      sing = (singFun1 @(FooListSym1 (d :: a))) (sFooList (sing @d))